Great value international calls
Trusted by loyal patrons for over 15 Years!
SIMs for Personal and Businesses users
Enjoy blazing fast 5G Data
For Businesses and Work from home
Hosted telephony provider since 2008
TISA + SIM
Empower your workforce
Use a proper mobile service developed exclusively and extensively for the “work from home” Covid era.
With 99% UK population coverage, receive business calls on your office number straight to your mobile.
Be safe & professsional
Make Outbound calls from your mobile with your office Caller ID during working hours.
Be In Control
Simple and Intuitive control panel offering full PBX functionality allowing you to setup greetings, menus, ring groups etc.
No Data/Wifi? No issues
No dependency on mobile data/wifi or Apps. Native PBX functionality straight to your mobile.